Seiko Cal. 7178 - 525

This Hand-Winding model from 1988 features a 42mm Hardlex-Coated Steel case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-01e2a1818730]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1988

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