Seiko Cal. 4537 - 399

Released in 1991, the Cal. 4537 with design code 399 was part of Seiko's domestic market collection. With its 18mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-ba0db36fdd0c]

Also known as: Navigator, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1991

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