Seiko Cal. 5628 - 649

This Spring Drive model from 1979 features a 40mm PVD Black case. Powered by the 5628 caliber with 24j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-1135d2e58514]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1979

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