Seiko Cal. 7057 - 409

The Seiko 7057-409 represents an important milestone in Seiko's 1998 lineup. Powered by the 7057 caliber with 28j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-29744cf8fca6]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1998

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