Seiko Cal. 7144 - 475

The 7144-475 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7144 caliber with 31j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-13fc60bd37cb]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1969

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