Seiko Cal. 5689 - 639

Released in 1992, the Cal. 5689 with design code 639 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-eb82bdda3aa1]

Also known as: Shogun, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1992

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