Seiko Cal. 6390 - 316

This Spring Drive model from 1988 features a 42mm Gold-Plated case. Powered by the 6390 caliber with 28j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-c0e32be3b476]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1988

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