Seiko Cal. 4437 - 593

Released in 1986, the Cal. 4437 with design code 593 was part of Seiko's domestic market collection. With its 22mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-ad08be8bf95a]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1986

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