Seiko Cal. 4418 - 181

The Seiko 4418-181 represents an important milestone in Seiko's 1980 lineup. Powered by the 4418 caliber with 21j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-a4cdad2a9282]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1980

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