Seiko Cal. 7057 - 445

The Seiko 7057-445 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-27edad196ea5]

Also known as: Bullhead, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1970

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