Seiko Cal. 6616 - 831

This Hand-Winding model from 1983 features a 39mm Hardlex-Coated Steel case. Powered by the 6616 caliber with 27j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-2d11c50c96d5]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1983

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