Seiko Cal. 4537 - 591

The Seiko 4537-591 represents an important milestone in Seiko's 1976 lineup. With its 19mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-cd96af47f020]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1976

Related Models

• Seiko 4415-221
• Seiko 4413-658
• Seiko 6166-855
• Seiko 6313-434
• Seiko 0794-373
• Seiko 7161-866
• Seiko 0793-399
• Seiko 0763-492
• Seiko 7084-317
• Seiko 3893-646
• Seiko 4530-400
• Seiko 6682-729