Seiko Cal. 3888 - 635

The Seiko 3888-635 represents an important milestone in Seiko's 1976 lineup. Powered by the 3888 caliber with 17j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-3c879e222030]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1976

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