Seiko Cal. 6321 - 640

This Spring Drive model from 1986 features a 44mm Hardlex-Coated Steel case. Powered by the 6321 caliber with 34j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-83b784c27b61]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1986

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