Seiko Cal. 5641 - 721

Seiko 5641-721

The 5641-721 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5641 caliber with 19j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-37cc4e4ce748]

Also known as: Sea Horse

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
11.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
190m
Dial Color
Silver
Jewels
19j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1995

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seikata-wm-37cc4e4ce748