Seiko Cal. 3837 - 800

The 3837-800 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3837 caliber with 19j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-96fbdd7c8d70]

Also known as: Monster, Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1977

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