Seiko Cal. 7091 - 638

The Seiko 7091-638 represents an important milestone in Seiko's 1990 lineup. Powered by the 7091 caliber with 20j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-af7417e53b80]

Also known as: Panda, Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1990

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