Seiko Cal. 3847 - 220

This Solar model from 1968 features a 39mm Gold-Plated case. Powered by the 3847 caliber with 28j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-046cd451cde7]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1968

Related Models

• Seiko 4446-456
• Seiko 7031-658
• Seiko 4589-875
• Seiko 4514-840
• Seiko 5269-210
• Seiko 3846-751
• Seiko 4572-707
• Seiko 7182-485
• Seiko 5664-732
• Seiko 3840-874
• Seiko 6370-309
• Seiko 7196-996