Seiko Cal. 0770 - 300

The 0770-300 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0770 caliber with 26j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-23eb8e8a1dd7]

Also known as: Monster, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1969

Related Models

• Seiko 6639-596
• Seiko 7069-488
• Seiko 6133-793
• Seiko 4563-878
• Seiko 3863-151
• Seiko 4576-696
• Seiko 6316-618
• Seiko 4581-219
• Seiko 7169-330
• Seiko 6620-739
• Seiko 5215-106
• Seiko 0750-609