Seiko Cal. 4440 - 693

This Solar model from 1971 features a 45mm Two-Tone case. With its 20mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-5e8cb3d69b1d]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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