Seiko Cal. 4557 - 689

Released in 1973, the Cal. 4557 with design code 689 was part of Seiko's domestic market collection. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-88dedcd4df5d]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1973

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