Seiko Cal. 6378 - 591

Released in 1994, the Cal. 6378 with design code 591 was part of Seiko's domestic market collection. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-dc6da2045cf7]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1994

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