Seiko Cal. 5639 - 867

The 5639-867 is a sought-after Automatic piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-f49f5f9e909b]

Also known as: Rally, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1976

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