Seiko Cal. 0731 - 399

The 0731-399 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0731 caliber with 20j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-a96d94ebba4c]

Also known as: Shogun, Pogue

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1993

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