Seiko Cal. 6647 - 381

This Solar model from 1966 features a 45mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-e23e7ac975dc]

Also known as: UFO, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1966

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