Seiko Cal. 5687 - 641

The 5687-641 is a sought-after Automatic piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-69793c6d6641]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1988

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