Seiko Cal. 0733 - 740

This Spring Drive model from 1968 features a 36mm Stainless Steel case. Powered by the 0733 caliber with 31j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-1c4c379933ac]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1968

Related Models

• Seiko 5214-315
• Seiko 4550-475
• Seiko 4599-641
• Seiko 4548-263
• Seiko 6378-304
• Seiko 4493-930
• Seiko 5683-512
• Seiko 7090-148
• Seiko 5690-815
• Seiko 6277-315
• Seiko 4499-426
• Seiko 6313-903