Seiko Cal. 3813 - 573

The 3813-573 is a sought-after Solar piece from Seiko's golden era. Powered by the 3813 caliber with 19j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-92fdab3a7a0d]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1978

Related Models

• Seiko 4477-454
• Seiko 5648-473
• Seiko 3881-964
• Seiko 6665-631
• Seiko 4421-211
• Seiko 6666-253
• Seiko 6173-721
• Seiko 6627-528
• Seiko 4521-211
• Seiko 7045-178
• Seiko 7198-261
• Seiko 6660-676