Seiko Cal. 6390 - 382

The 6390-382 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6390 caliber with 27j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-30913e87fb9e]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1995

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