Seiko Cal. 5643 - 876

Seiko 5643-876

The Seiko 5643-876 represents an important milestone in Seiko's 1991 lineup. Powered by the 5643 caliber with 32j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-ccf5ee41e1bd]

Also known as: Tuna, Bullhead

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
13.7mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Black
Jewels
32j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1991

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