Seiko Cal. 5216 - 671

This Spring Drive model from 1967 features a 35mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-46ebe13a5510]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1967

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