Seiko Cal. 5621 - 491

The 5621-491 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-4152793c7935]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1966

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