Seiko Cal. 3813 - 387

The 3813-387 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-60b88d013442]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1981

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