Seiko Cal. 4440 - 220

This Solar model from 1987 features a 40mm Two-Tone case. With its 21mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-d3712ae380b6]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1987

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