Seiko Cal. 5681 - 980

The 5681-980 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5681 caliber with 21j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-21f2ff669186]

Also known as: Bellmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1972

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