Seiko Cal. 5643 - 542

This Spring Drive model from 1971 features a 45mm Gold-Plated case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-995e582713b3]

Also known as: Turtle, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1971

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