Seiko Cal. 6642 - 737

Seiko 6642-737

The 6642-737 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-e01f84cd976b]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
41mm
Case Thickness
8.8mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
30m
Dial Color
Navy
Jewels
20j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1989

Related Models

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