Seiko Cal. 3815 - 733

This Hand-Winding model from 1973 features a 37mm Hardlex-Coated Steel case. Powered by the 3815 caliber with 32j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-ecdfb54136a8]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1973

Related Models

• Seiko 6190-977
• Seiko 5648-146
• Seiko 6322-739
• Seiko 5638-418
• Seiko 6222-754
• Seiko 5646-598
• Seiko 6365-620
• Seiko 0754-232
• Seiko 6336-434
• Seiko 4568-825
• Seiko 6367-255
• Seiko 6697-800