Seiko Cal. 0770 - 374

The 0770-374 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0770 caliber with 21j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-4ea927604120]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1967

Related Models

• Seiko 6241-157
• Seiko 3832-967
• Seiko 4437-451
• Seiko 7174-394
• Seiko 5625-992
• Seiko 4457-809
• Seiko 5624-962
• Seiko 6364-774
• Seiko 4468-399
• Seiko 5214-633
• Seiko 5232-980
• Seiko 7156-193