Seiko Cal. 5657 - 792

The 5657-792 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-728826726a3e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1986

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