Seiko Cal. 6131 - 770

Seiko 6131-770

This Automatic model from 1976 features a 39mm Gold-Plated case. Powered by the 6131 caliber with 35j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-ac51a39af397]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
11.7mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Green
Jewels
35j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1976

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seikata-wm-ac51a39af397