Seiko Cal. 6691 - 304

Seiko 6691-304

This Quartz model from 1973 features a 40mm Stainless Steel case. Powered by the 6691 caliber with 35j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-e55dd9b0d635]

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
11.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
170m
Dial Color
Burgundy
Jewels
35j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1973

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