Seiko Cal. 6320 - 316

The 6320-316 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6320 caliber with 26j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-eb70b547ce30]

Also known as: Bellmatic, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1972

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