Seiko Cal. 3825 - 138

The Seiko 3825-138 represents an important milestone in Seiko's 1977 lineup. Powered by the 3825 caliber with 22j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-7f16c36a4d42]

Also known as: Sumo, Pogue

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1977

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