Seiko Cal. 7181 - 451

The 7181-451 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-c7f863a363ba]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1966

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