Seiko Cal. 6391 - 282

The 6391-282 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-ad675f3ce547]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1985

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