Seiko Cal. 7018 - 442

The Seiko 7018-442 represents an important milestone in Seiko's 1968 lineup. Powered by the 7018 caliber with 20j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-51d3582e023b]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1968

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