Seiko Cal. 5257 - 818

The 5257-818 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-81de2de22c80]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1991

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