Seiko Cal. 6321 - 163

The Seiko 6321-163 represents an important milestone in Seiko's 1977 lineup. Powered by the 6321 caliber with 21j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-8d64c526da56]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1977

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