Seiko Cal. 7057 - 131

The Seiko 7057-131 represents an important milestone in Seiko's 1966 lineup. With its 19mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-ed334d96d9ac]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1966

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