Seiko Cal. 4471 - 991

The 4471-991 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4471 caliber with 19j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-9f3c13e2414a]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1983

Related Models

• Seiko 5275-516
• Seiko 6145-656
• Seiko 0767-690
• Seiko 7018-183
• Seiko 4518-303
• Seiko 0714-496
• Seiko 3834-377
• Seiko 3837-551
• Seiko 6318-822
• Seiko 4461-880
• Seiko 6172-717
• Seiko 3868-576