Seiko Cal. 5643 - 121

The Seiko 5643-121 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-fe810046b5bf]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1971

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