Seiko Cal. 5634 - 781

Seiko 5634-781

The 5634-781 is a sought-after Quartz piece from Seiko's golden era. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-37f9dde6d745]

Also known as: Tuna, Bullhead

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
14.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
110m
Dial Color
Silver
Jewels
26j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1968

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seikata-wm-37f9dde6d745