Seiko Cal. 4563 - 100

Released in 1977, the Cal. 4563 with design code 100 was part of Seiko's domestic market collection. With its 22mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-43cce99fae89]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1977

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