Seiko Cal. 4520 - 977

Released in 1996, the Cal. 4520 with design code 977 was part of Seiko's domestic market collection. With its 22mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-adc47dc73103]

Also known as: Shogun, Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1996

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