Seiko Cal. 5271 - 323

This Spring Drive model from 1965 features a 35mm PVD Black case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-f4b67cd7a04e]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1965

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