Seiko Cal. 4420 - 151

This Quartz model from 1975 features a 36mm Titanium case. Powered by the 4420 caliber with 32j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-b73ed2438324]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1975

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