Seiko Cal. 4428 - 437

This Solar model from 1965 features a 43mm Stainless Steel case. With its 20mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-e8f0dfec2dd3]

Also known as: Turtle, Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1965

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