Seiko Cal. 3863 - 389

This Hand-Winding model from 1980 features a 37mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-36fd5592c056]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1980

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