Seiko Cal. 5657 - 639

The 5657-639 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-ee27f2fe0dff]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1994

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