Seiko Cal. 5639 - 280

The 5639-280 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-7dff31029618]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1978

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