Seiko Cal. 5658 - 989

The Seiko 5658-989 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-4c69af522b25]

Also known as: World Timer, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1975

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