Seiko Cal. 5646 - 556

Released in 1974, the Cal. 5646 with design code 556 was part of Seiko's domestic market collection. With its 21mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-ca954dd63675]

Also known as: Shogun, Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1974

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