Seiko Cal. 4415 - 646

The 4415-646 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4415 caliber with 24j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-77a28aa9921b]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1969

Related Models

• Seiko 7131-222
• Seiko 3861-477
• Seiko 4457-272
• Seiko 0747-471
• Seiko 0717-642
• Seiko 0742-615
• Seiko 4442-770
• Seiko 7025-175
• Seiko 3868-235
• Seiko 4475-499
• Seiko 6226-464
• Seiko 0739-122