Seiko Cal. 5643 - 694

The 5643-694 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-ba2a75cf1e5d]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1972

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