Seiko Cal. 4415 - 939

The 4415-939 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4415 caliber with 20j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-cfd599acd9b1]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1981

Related Models

• Seiko 6230-616
• Seiko 5641-180
• Seiko 7019-276
• Seiko 0740-468
• Seiko 6633-942
• Seiko 5232-316
• Seiko 6198-467
• Seiko 4492-345
• Seiko 7044-405
• Seiko 4581-414
• Seiko 6275-948
• Seiko 3896-104