Seiko Cal. 3837 - 240

The 3837-240 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3837 caliber with 34j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-ac4a8e6cd012]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1988

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