Seiko Cal. 6391 - 398

The 6391-398 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-8b41b5e41231]

Also known as: UFO, Rally

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1975

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