Seiko Cal. 3837 - 745

The Seiko 3837-745 represents an important milestone in Seiko's 1970 lineup. Powered by the 3837 caliber with 20j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-8243f9b8f31e]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1970

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