Seiko Cal. 6321 - 853

The 6321-853 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6321 caliber with 18j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-a808dae8c141]

Also known as: Monster, UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1990

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