Seiko Cal. 5687 - 934

The Seiko 5687-934 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-a9a8e086586f]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1972

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