Seiko Cal. 3831 - 706

This Hand-Winding model from 1965 features a 43mm Gold-Plated case. It features a Champagne dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-675c5bf095f0]

Also known as: Sportsmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1965

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