Seiko Cal. 7178 - 547

This Solar model from 1977 features a 37mm Hardlex-Coated Steel case. With its 22mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-8196f9a93507]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1977

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