Seiko Cal. 6330 - 427

This Hand-Winding model from 1974 features a 45mm PVD Black case. Powered by the 6330 caliber with 36j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-e00029056ca2]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1974

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