Seiko Cal. 6391 - 758

Released in 1978, the Cal. 6391 with design code 758 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-90ffe0170d9e]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1978

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