Seiko Cal. 4497 - 331

The 4497-331 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4497 caliber with 28j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-dced3aaa37a6]

Also known as: Bullhead, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1990

Related Models

• Seiko 0782-178
• Seiko 4571-146
• Seiko 4433-448
• Seiko 4489-224
• Seiko 7072-537
• Seiko 7127-426
• Seiko 6314-924
• Seiko 5642-925
• Seiko 4525-596
• Seiko 6115-396
• Seiko 5278-504
• Seiko 3813-618