Seiko Cal. 4481 - 584

The 4481-584 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-6df602ec089e]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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