Seiko Cal. 0770 - 693

The Seiko 0770-693 represents an important milestone in Seiko's 1978 lineup. Powered by the 0770 caliber with 22j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-febe4e5dab38]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1978

Related Models

• Seiko 0730-142
• Seiko 5679-154
• Seiko 6252-184
• Seiko 7049-773
• Seiko 5661-964
• Seiko 6262-154
• Seiko 3872-188
• Seiko 6385-115
• Seiko 4438-442
• Seiko 7135-614
• Seiko 6291-448
• Seiko 3888-367