Seiko Cal. 4581 - 940

Seiko 4581-940

The 4581-940 is a sought-after Solar piece from Seiko's golden era. Powered by the 4581 caliber with 25j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-b77e614a1eab]

Also known as: Samurai, Golden Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
12.3mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
180m
Dial Color
Black
Jewels
25j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1990

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