Seiko Cal. 5677 - 828

Released in 1966, the Cal. 5677 with design code 828 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-89bf1b181c53]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1966

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