Seiko Cal. 3820 - 598

The 3820-598 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3820 caliber with 34j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-163b7bccd2c3]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1980

Related Models

• Seiko 4486-391
• Seiko 7070-990
• Seiko 6211-173
• Seiko 7135-915
• Seiko 4474-748
• Seiko 5672-775
• Seiko 6349-464
• Seiko 5250-833
• Seiko 6315-480
• Seiko 3853-729
• Seiko 7193-240
• Seiko 7115-402