Seiko Cal. 4437 - 778

The Seiko 4437-778 represents an important milestone in Seiko's 1998 lineup. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-88425749f134]

Also known as: Samurai, Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1998

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