Seiko Cal. 4581 - 770

Seiko 4581-770

The 4581-770 is a sought-after Kinetic piece from Seiko's golden era. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-bd711f5aff15]

Also known as: Monster, Rally

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
10.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Navy
Jewels
20j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1981

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