Seiko Cal. 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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