Seiko Cal. 6657 - 797

Seiko 6657-797

This Hand-Winding model from 1971 features a 34mm Titanium case. Powered by the 6657 caliber with 34j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-f92e27070770]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
34mm
Case Thickness
12.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
White
Jewels
34j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1971

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seikata-wm-f92e27070770