Seiko Cal. 3847 - 624

The Seiko 3847-624 represents an important milestone in Seiko's 1987 lineup. Powered by the 3847 caliber with 22j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-16d70479702a]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1987

Related Models

• Seiko 6179-476
• Seiko 7079-417
• Seiko 6660-440
• Seiko 6641-607
• Seiko 6334-657
• Seiko 7056-379
• Seiko 6679-319
• Seiko 5641-711
• Seiko 6682-188
• Seiko 6236-412
• Seiko 4568-654
• Seiko 6168-819