Seiko Cal. 5641 - 903

Seiko 5641-903

The 5641-903 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-9c6b84b9006a]

Also known as: Silverwave, Goldfeather

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
10.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
White
Jewels
24j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1981

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