Seiko Cal. 5681 - 457

This Spring Drive model from 1974 features a 43mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-63a64533df12]

Also known as: Panda, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1974

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