Seiko Cal. 4471 - 509

The 4471-509 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4471 caliber with 26j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-03a0b25830a3]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1970

Related Models

• Seiko 6123-433
• Seiko 6173-243
• Seiko 7086-731
• Seiko 6246-145
• Seiko 6240-749
• Seiko 7057-161
• Seiko 5295-761
• Seiko 3899-524
• Seiko 6355-865
• Seiko 6626-212
• Seiko 4467-929
• Seiko 4421-645