Seiko Cal. 5638 - 955

The Seiko 5638-955 represents an important milestone in Seiko's 1988 lineup. Powered by the 5638 caliber with 35j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-cfde015379d5]

Also known as: Turtle, Pogue

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1988

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