Seiko Cal. 7181 - 561

The 7181-561 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7181 caliber with 30j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-b0c3b74f83fc]

Also known as: Samurai, UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1991

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