Seiko Cal. 6257 - 161

The Seiko 6257-161 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-0283cf7f2c66]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1990

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