Seiko Cal. 5668 - 512

This Spring Drive model from 1970 features a 41mm Hardlex-Coated Steel case. It features a Silver dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-efb81eaa45b7]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1970

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