Seiko Cal. 6321 - 685

This Hand-Winding model from 1975 features a 35mm Gold-Plated case. Powered by the 6321 caliber with 21j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-3d302baa6319]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1975

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