Seiko Cal. 4447 - 682

The 4447-682 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4447 caliber with 35j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-e53d57c46767]

Also known as: Monster, Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1988

Related Models

• Seiko 4497-440
• Seiko 5283-300
• Seiko 4488-919
• Seiko 6288-990
• Seiko 3822-430
• Seiko 4425-183
• Seiko 6219-526
• Seiko 3837-621
• Seiko 6278-858
• Seiko 7037-546
• Seiko 6325-724
• Seiko 4426-431