Seiko Cal. 6331 - 666

Seiko 6331-666

This Quartz model from 1978 features a 43mm Gold-Plated case. Powered by the 6331 caliber with 23j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-857934e202b7]

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
11.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Green
Jewels
23j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1978

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seikata-wm-857934e202b7