Seiko Cal. 5677 - 924

The 5677-924 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-df41cf32aa9d]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1978

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