Seiko Cal. 4581 - 377

Seiko 4581-377

The 4581-377 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4581 caliber with 21j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-46002eda97ef]

Also known as: Samurai, Baby Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
9.4mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Black
Jewels
21j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1990

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