Seiko Cal. 5677 - 858

Released in 1978, the Cal. 5677 with design code 858 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-e61da05de765]

Also known as: Helmet, Arnie

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1978

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