Seiko Cal. 6378 - 437

The Seiko 6378-437 represents an important milestone in Seiko's 1981 lineup. Powered by the 6378 caliber with 30j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-da0267849cf3]

Also known as: Pogue

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1981

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