Seiko Cal. 6691 - 516

Seiko 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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seikata-wm-42e01894c327