Seiko Cal. 5638 - 939

The 5638-939 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-6acef81caf54]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1999

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