Seiko Cal. 3841 - 237

The Seiko 3841-237 represents an important milestone in Seiko's 1967 lineup. Powered by the 3841 caliber with 27j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-ac341e28f91f]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1967

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