Seiko Cal. 7181 - 448

The Seiko 7181-448 represents an important milestone in Seiko's 1973 lineup. Powered by the 7181 caliber with 20j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-b0841f61d1ce]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1973

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