Seiko Cal. 0770 - 207

The Seiko 0770-207 represents an important milestone in Seiko's 1973 lineup. Powered by the 0770 caliber with 29j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-a3f1c4e62dcd]

Also known as: Sumo, Bullhead

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1973

Related Models

• Seiko 4519-819
• Seiko 6657-257
• Seiko 4427-535
• Seiko 5220-786
• Seiko 7030-952
• Seiko 6214-179
• Seiko 6321-311
• Seiko 6214-808
• Seiko 6614-817
• Seiko 6334-795
• Seiko 6288-640
• Seiko 7115-150