Seiko Cal. 5638 - 764

The 5638-764 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-8f5f85e14e39]

Also known as: Panda

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1966

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