Seiko Cal. 5690 - 218

The 5690-218 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-0ea72c0f9a7b]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1967

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