Seiko Cal. 5641 - 764

Seiko 5641-764

The 5641-764 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-a9b253385e2f]

Also known as: Turtle, World Timer

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
38mm
Case Thickness
12.4mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
130m
Dial Color
Cream
Jewels
34j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1998

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