Seiko Cal. 7057 - 693

The 7057-693 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-e9f81aad93cc]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1990

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