Seiko Cal. 6691 - 516

This Automatic model from 1980 features a 41mm Hardlex-Coated Steel case. Powered by the 6691 caliber with 30j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-42e01894c327]

Also known as: Helmet, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1980

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