Seiko Cal. 5643 - 297

The Seiko 5643-297 represents an important milestone in Seiko's 1966 lineup. It features a Navy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-e7afbe0d2e36]

Also known as: Bullhead, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1966

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