Seiko Cal. 4595 - 247

The Seiko 4595-247 represents an important milestone in Seiko's 1974 lineup. Powered by the 4595 caliber with 20j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-2293188c93e5]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1974

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