Seiko Cal. 6392 - 878

The Seiko 6392-878 represents an important milestone in Seiko's 1990 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-b6ba6bd985b9]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1990

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