Seiko Cal. 6391 - 358

The Seiko 6391-358 represents an important milestone in Seiko's 1966 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-3d41d9c467d0]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1966

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