Seiko Cal. 4438 - 123

This Spring Drive model from 1994 features a 44mm Titanium case. Powered by the 4438 caliber with 35j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-1718f88526e0]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1994

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