Seiko Cal. 5638 - 206

The Seiko 5638-206 represents an important milestone in Seiko's 1991 lineup. Powered by the 5638 caliber with 22j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-e83296467db9]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1991

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