Seiko Cal. 6691 - 936

Seiko 6691-936

This Automatic model from 1990 features a 36mm Titanium case. Powered by the 6691 caliber with 28j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-365d8ae78101]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
36mm
Case Thickness
15.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Black
Jewels
28j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1990

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seikata-wm-365d8ae78101