Seiko Cal. 5681 - 980

This Hand-Winding model from 1976 features a 40mm Stainless Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-62c16deb061b]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1976

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