Seiko Cal. 5638 - 685

The 5638-685 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-fc20f9250d97]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1993

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