Seiko Cal. 5643 - 879

Released in 1965, the Cal. 5643 with design code 879 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-5d8af2326cb1]

Also known as: Monster, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1965

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