Seiko Cal. 0721 - 316

This Automatic model from 1967 features a 43mm Hardlex-Coated Steel case. It features a White dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-41c20340048c]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1967

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