Seiko Cal. 3860 - 642

Seiko 3860-642

The 3860-642 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3860 caliber with 27j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-af6d5426dd9f]

Also known as: Panda

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
14.7mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Silver
Jewels
27j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1966

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