Seiko Cal. 4581 - 836

This Hand-Winding model from 1986 features a 42mm Two-Tone case. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-d55b3aab491d]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1986

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