Seiko Cal. 5212 - 423

The 5212-423 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-d009de3f6ee0]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1975

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