Seiko Cal. 3864 - 531

The Seiko 3864-531 represents an important milestone in Seiko's 1992 lineup. Powered by the 3864 caliber with 30j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-78cc931f2b02]

Also known as: Silverwave, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1992

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