Seiko Cal. 5621 - 278

The 5621-278 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-c664271573e1]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1972

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