Seiko Cal. 4437 - 687

Released in 1995, the Cal. 4437 with design code 687 was part of Seiko's domestic market collection. With its 18mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-a91bf74ea76f]

Also known as: Shogun, Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1995

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