Seiko Cal. 5670 - 488

The Seiko 5670-488 represents an important milestone in Seiko's 1971 lineup. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-e9eecb6eafdd]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1971

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