Seiko Cal. 6357 - 257

The Seiko 6357-257 represents an important milestone in Seiko's 1973 lineup. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-3e8470f7dee9]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1973

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