Seiko Cal. 7057 - 371

This Spring Drive model from 1983 features a 41mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-e9256f303285]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1983

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