Seiko Cal. 5690 - 777

The 5690-777 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-cd91d116ed54]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1988

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