Seiko Cal. 0720 - 304

This Quartz model from 1971 features a 41mm Titanium case. Powered by the 0720 caliber with 28j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-40407aaf3724]

Also known as: Monster, Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1971

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