Seiko Cal. 5652 - 903

The Seiko 5652-903 represents an important milestone in Seiko's 1979 lineup. Powered by the 5652 caliber with 30j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-fd7bcf5e700c]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1979

Related Models

• Seiko 6390-828
• Seiko 6322-985
• Seiko 6126-266
• Seiko 4549-483
• Seiko 6331-638
• Seiko 6397-757
• Seiko 0785-215
• Seiko 4464-359
• Seiko 4561-723
• Seiko 6193-532
• Seiko 4512-579
• Seiko 6382-200