Seiko Cal. 4488 - 137

The Seiko 4488-137 represents an important milestone in Seiko's 1974 lineup. Powered by the 4488 caliber with 28j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-301a67ffe8cf]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1974

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