Seiko Cal. 4537 - 393

The Seiko 4537-393 represents an important milestone in Seiko's 1975 lineup. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-4afa6fbd53bf]

Also known as: Sea Horse, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1975

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