Seiko Cal. 7181 - 561

Seiko 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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