Seiko Cal. 3866 - 659

This Hand-Winding model from 1980 features a 46mm Gold-Plated case. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-16b4216e3133]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1980

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