Seiko Cal. 3831 - 507

This Hand-Winding model from 1986 features a 43mm Stainless Steel case. Powered by the 3831 caliber with 26j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-0b00919ec635]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1986

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