Seiko Cal. 4413 - 386

The 4413-386 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4413 caliber with 25j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-152117cfc0cb]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1972

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