Seiko Cal. 5257 - 937

The Seiko 5257-937 represents an important milestone in Seiko's 1996 lineup. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-85475ddb073f]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1996

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