Seiko Cal. 5638 - 327

The Seiko 5638-327 represents an important milestone in Seiko's 1982 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-659b3691b49e]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1982

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