Seiko Cal. 6691 - 387

Seiko 6691-387

This Automatic model from 1991 features a 46mm Titanium case. Powered by the 6691 caliber with 22j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-c02b05b9976c]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
46mm
Case Thickness
15.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
50m
Dial Color
Silver
Jewels
22j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1991

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seikata-wm-c02b05b9976c