Seiko Cal. 5639 - 471

This Solar model from 1974 features a 34mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-6dd0e4b24ad2]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1974

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