Seiko Cal. 4431 - 561

This Hand-Winding model from 1970 features a 34mm Gold-Plated case. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-29345cac4916]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1970

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