Seiko Cal. 6642 - 716

This Solar model from 1969 features a 37mm Two-Tone case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-3c5b87623449]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1969

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