Seiko Cal. 6639 - 680

The Seiko 6639-680 represents an important milestone in Seiko's 1985 lineup. It features a Champagne dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-3e1c5832183f]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1985

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