Seiko Cal. 4438 - 627

This Solar model from 1980 features a 43mm Titanium case. With its 20mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-e73c1ea39bd9]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1980

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