Seiko Cal. 3854 - 337

The Seiko 3854-337 represents an important milestone in Seiko's 1977 lineup. Powered by the 3854 caliber with 21j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-e63d183a5814]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1977

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