Seiko Cal. 5650 - 254

This Hand-Winding model from 1973 features a 36mm Titanium case. Powered by the 5650 caliber with 22j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-d2556e0a4fde]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1973

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