Seiko Cal. 4550 - 749

This Spring Drive model from 1987 features a 40mm Two-Tone case. With its 21mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-b0960153c8df]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1987

Related Models

• Seiko 7148-806
• Seiko 6349-239
• Seiko 3873-925
• Seiko 6643-708
• Seiko 0717-316
• Seiko 6654-958
• Seiko 6330-496
• Seiko 6674-966
• Seiko 0719-357
• Seiko 7187-541
• Seiko 6122-268
• Seiko 4571-123