Seiko Cal. 4438 - 607

The Seiko 4438-607 represents an important milestone in Seiko's 1988 lineup. Powered by the 4438 caliber with 27j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-433f0522144d]

Also known as: Silverwave, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1988

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