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SeikoSports Military ‘Flieger’ Automatic Blue Dial Blue Strap SRPH31K1

SeikoSports Military ‘Flieger’ Automatic Blue Dial Blue Strap SRPH31K1

The Case:

The Seiko 5 Automatic Men’s Watch SRPH31K1 is made from stainless steel and it measures 37mm in diameter. The watch’s design adheres to the classic aesthetics of a military watch. The circular case and the fixed bezel have been brushed giving it a matte and scratch resistant appearance, while a recessed push-pull crown is positioned at the 3 o’clock mark. Hardlex glass has been applied to both the front of the case and the exhibition case back.

The Dial:

The dial comes presented in a deep blue hue and it exhibits an uncomplicated design that ensures optimum levels of readability. Around the outer edge of the dial there is a 60-minute scale that is separated by increments of five minutes, besides them are small luminescent pips which enable the dial to be read in the dark. The 12-hour scale is displayed through Arabic style numerals within the inner dial. A day-date display window is presented neatly besides the 3 o’clock marker. An bold syringe style handset occupies the centre of the dial, it has been filled with luminescent material. The Seiko 5 logo is presented neatly in silver beneath the 12 o’clock marker.

The Strap:

The blue NATO style strap completes the watch’s militaristic aesthetics. It is made from nylon, which is both durable and comfortable on the wrist. The strap has leather sizing holes which ensure the longevity of the timepiece. The strap fastens through the use of a sand blasted standard buckle that has the Seiko logo etched into it.

The Functions:

Seiko’s exclusive 4R36 calibre automatic movement powers this watch, it consists of 24 jewels and it offers an accuracy of -25/+45 seconds per day. This watch has a water resistance of 100 metres, meaning it can be worn when snorkeling.


– Case Material: Stainless Steel
– Case Shape: Round
– Case Colour: Silver
– Crystal: Hardlex

Frequently Asked Questions:

1. Is the strap adjustable?
Yes, the strap has leather sizing holes for adjustment.

2. Can I wear this watch while swimming?
Yes, this watch has a water resistance of 100 metres, making it suitable for snorkeling.

3. Does the watch have a day-date display?
Yes, there is a day-date display window located beside the 3 o’clock marker.


The SeikoSports Military ‘Flieger’ Automatic Blue Dial Blue Strap SRPH31K1 is a stylish and functional timepiece. Its stainless steel case, deep blue dial, and NATO style strap give it a rugged and military-inspired look. With Seiko’s reliable automatic movement and water resistance, this watch is perfect for those who appreciate both style and functionality.