Seiko Cal. 6656 - 888

Seiko 6656-888

This Quartz model from 1970 features a 43mm Hardlex-Coated Steel case. Powered by the 6656 caliber with 19j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-ea0299e80b3a]

Also known as: Tuna, Helmet

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
13.2mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
30m
Dial Color
Cream
Jewels
19j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1970

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