Seiko Cal. 6390 - 891

The 6390-891 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-315db9ca456c]

Also known as: Turtle, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1985

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