Seiko Cal. 3875 - 731

The Seiko 3875-731 represents an important milestone in Seiko's 1979 lineup. Powered by the 3875 caliber with 19j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-8343a1f005be]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1979

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