Seiko Cal. 3864 - 431

The Seiko 3864-431 represents an important milestone in Seiko's 1994 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-8f04be2603e3]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1994

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