Seiko Cal. 3811 - 276

This Hand-Winding model from 1979 features a 37mm Gold-Plated case. It features a White dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-6c2928fbcf06]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1979

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