Seiko Cal. 6642 - 877

Seiko 6642-877

The 6642-877 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6642 caliber with 20j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-5180449e1bbd]

Also known as: Rally, Sportsmatic

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
11.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Navy
Jewels
20j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1993

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