Seiko Cal. 6218 - 577

This Solar model from 1968 features a 37mm Gold-Plated case. With its 18mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-e0c4685c712f]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1968

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