Seiko Cal. 5253 - 421

This Spring Drive model from 1974 features a 34mm PVD Black case. Powered by the 5253 caliber with 18j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-a20bb7aa84cc]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1974

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