Seiko Cal. 4581 - 109

The 4581-109 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-1ced09fdfe64]

Also known as: Monster, Rally

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1994

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