Seiko Cal. 3810 - 634

This Hand-Winding model from 1981 features a 46mm PVD Black case. It features a Cream dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-e2783e8fa348]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1981

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