Seiko Cal. 0723 - 328

This Solar model from 1970 features a 39mm PVD Black case. Powered by the 0723 caliber with 20j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-6e9d66e8e518]

Also known as: Bullhead, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1970

Related Models

• Seiko 6361-548
• Seiko 4516-529
• Seiko 7027-105
• Seiko 7185-989
• Seiko 0727-690
• Seiko 5651-246
• Seiko 7064-523
• Seiko 3851-746
• Seiko 7033-488
• Seiko 6246-857
• Seiko 6676-793
• Seiko 5288-183