Seiko Cal. 4488 - 615

This Spring Drive model from 1970 features a 44mm PVD Black case. Powered by the 4488 caliber with 29j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-b659a8bcc1d9]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1970

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