Seiko Cal. 5689 - 406

The Seiko 5689-406 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-74c6f3f77c39]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1968

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