Seiko Cal. 6669 - 336

Seiko 6669-336

This Quartz model from 1977 features a 41mm Hardlex-Coated Steel case. Powered by the 6669 caliber with 31j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-81dcb9480d4e]

Also known as: Sumo, Bellmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
15.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1977

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