Seiko Cal. 6391 - 685

The Seiko 6391-685 represents an important milestone in Seiko's 1970 lineup. It features a White dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-3fabb1d86be5]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1970

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