Seiko Cal. 0750 - 750

This Spring Drive model from 1966 features a 38mm Hardlex-Coated Steel case. Powered by the 0750 caliber with 29j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-4ca7c62c56e1]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1966

Related Models

• Seiko 4598-346
• Seiko 6128-585
• Seiko 6678-112
• Seiko 6188-371
• Seiko 3880-653
• Seiko 4422-951
• Seiko 6659-418
• Seiko 6147-604
• Seiko 0755-500
• Seiko 4548-943
• Seiko 6193-439
• Seiko 0745-870