Seiko Cal. 5263 - 617

This Solar model from 1965 features a 40mm Two-Tone case. With its 20mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-a7920fc7883f]

Also known as: Tuna, World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1965

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