Seiko Cal. 6642 - 442

Seiko 6642-442

The 6642-442 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6642 caliber with 35j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-c97d1b8f3275]

Also known as: UFO, Sportsmatic

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
8.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Black
Jewels
35j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1988

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