Seiko Cal. 5681 - 504

Seiko 5681-504

The 5681-504 is a sought-after Solar piece from Seiko's golden era. Powered by the 5681 caliber with 21j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-53eeb28812ef]

Also known as: Monster, Shogun

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
9.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Navy
Jewels
21j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1988

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