Seiko Cal. 5640 - 354

The 5640-354 is a sought-after Quartz piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-66ca6247ddf8]

Also known as: Shogun, Pogue

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1982

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