Seiko Cal. 5671 - 690

The Seiko 5671-690 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-e796bcd62936]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1972

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