Seiko Cal. 4490 - 846

The 4490-846 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4490 caliber with 26j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-31bf32d4caa5]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1972

Related Models

• Seiko 6330-642
• Seiko 5692-945
• Seiko 4434-305
• Seiko 4484-207
• Seiko 6338-717
• Seiko 6347-277
• Seiko 5214-593
• Seiko 0731-327
• Seiko 5682-713
• Seiko 5675-548
• Seiko 6254-341
• Seiko 3852-225