Seiko Cal. 4491 - 685

The 4491-685 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4491 caliber with 31j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-df4f8183c4ef]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1974

Related Models

• Seiko 6692-311
• Seiko 7196-348
• Seiko 3893-679
• Seiko 7049-494
• Seiko 7039-530
• Seiko 5695-444
• Seiko 6655-495
• Seiko 5242-914
• Seiko 4499-978
• Seiko 6371-559
• Seiko 4431-190
• Seiko 4418-562