Seiko Cal. 5672 - 921

This Hand-Winding model from 1965 features a 36mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-8a44320420dc]

Also known as: Tuna, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1965

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