Seiko Cal. 5681 - 315

Seiko 5681-315

The 5681-315 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5681 caliber with 33j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-e759d55a4928]

Also known as: Sumo, Silverwave

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
36mm
Case Thickness
8.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
150m
Dial Color
White
Jewels
33j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1974

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seikata-wm-e759d55a4928