Seiko Cal. 6373 - 543

The Seiko 6373-543 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-861884b61d80]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1975

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