Seiko Cal. 6221 - 642

Seiko 6221-642

This Solar model from 1978 features a 36mm Hardlex-Coated Steel case. Powered by the 6221 caliber with 20j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-158999bf7770]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
9.1mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Black
Jewels
20j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1978

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