Seiko Cal. 5255 - 550

This Spring Drive model from 1970 features a 36mm PVD Black case. It features a Navy dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-0926bc393b77]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1970

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