Seiko Cal. 3837 - 636

The Seiko 3837-636 represents an important milestone in Seiko's 1980 lineup. Powered by the 3837 caliber with 25j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-d7c5c20ed077]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1980

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