Seiko Cal. 4581 - 406

The Seiko 4581-406 represents an important milestone in Seiko's 1985 lineup. It features a White dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-e480286ffb7e]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1985

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