Seiko Cal. 7071 - 428

The Seiko 7071-428 represents an important milestone in Seiko's 1977 lineup. Powered by the 7071 caliber with 35j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-478d9e9079cd]

Also known as: Monster, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1977

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