Seiko Cal. 6691 - 115

Seiko 6691-115

This Automatic model from 1981 features a 40mm Two-Tone case. Powered by the 6691 caliber with 34j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-1b19880d99a6]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
12.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1981

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