Seiko Cal. 5642 - 687

The 5642-687 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-ea3a254248b7]

Also known as: Samurai, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1992

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