Seiko Cal. 5639 - 237

The 5639-237 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-3f3e84403a58]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1978

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