Seiko Cal. 7057 - 728

The Seiko 7057-728 represents an important milestone in Seiko's 1976 lineup. Powered by the 7057 caliber with 33j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-92670caf5a49]

Also known as: Turtle, Monster

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1976

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