Seiko Cal. 4418 - 743

The 4418-743 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4418 caliber with 30j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-0bda0f13da7b]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1972

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