Seiko Cal. 3865 - 242

Seiko 3865-242

This Quartz model from 1979 features a 45mm Hardlex-Coated Steel case. Powered by the 3865 caliber with 31j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-615f40165629]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
15.4mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Champagne
Jewels
31j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1979

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seikata-wm-615f40165629