Seiko Cal. 7074 - 721

The Seiko 7074-721 represents an important milestone in Seiko's 1978 lineup. Powered by the 7074 caliber with 17j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-3180578c08a1]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1978

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