Seiko Cal. 3840 - 938

The Seiko 3840-938 represents an important milestone in Seiko's 1988 lineup. Powered by the 3840 caliber with 22j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-6349e60d4240]

Also known as: Rally, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1988

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