Seiko Cal. 3831 - 486

This Spring Drive model from 1994 features a 39mm PVD Black case. Powered by the 3831 caliber with 33j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-5e0b233db254]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1994

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