Seiko Cal. 3856 - 356

This Spring Drive model from 1983 features a 34mm Two-Tone case. Powered by the 3856 caliber with 24j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-af60dae33dce]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1983

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