Seiko Cal. 4537 - 390

Released in 1969, the Cal. 4537 with design code 390 was part of Seiko's domestic market collection. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-55854ce858fe]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1969

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