Seiko Cal. 7057 - 428

The Seiko 7057-428 represents an important milestone in Seiko's 1976 lineup. Powered by the 7057 caliber with 24j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-3317818fb1f5]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1976

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