Seiko Cal. 6661 - 635

Seiko 6661-635

This Automatic model from 1966 features a 46mm Titanium case. Powered by the 6661 caliber with 31j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-615008d92d0c]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
46mm
Case Thickness
10.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Champagne
Jewels
31j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1966

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seikata-wm-615008d92d0c