Seiko Cal. 4590 - 738

This Hand-Winding model from 1989 features a 37mm PVD Black case. Powered by the 4590 caliber with 33j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-f85d273d1c8e]

Also known as: Monster, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1989

Related Models

• Seiko 5234-474
• Seiko 6622-509
• Seiko 3859-916
• Seiko 6310-258
• Seiko 7175-922
• Seiko 7139-261
• Seiko 4491-657
• Seiko 4475-290
• Seiko 0795-258
• Seiko 6684-260
• Seiko 4578-632
• Seiko 6355-276