Seiko Cal. 7054 - 136

This Hand-Winding model from 1965 features a 41mm Hardlex-Coated Steel case. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-5e45a7b7bef9]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1965

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