Seiko Cal. 3883 - 138

This Hand-Winding model from 1984 features a 40mm Two-Tone case. Powered by the 3883 caliber with 27j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-86dffae62c5c]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1984

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