Seiko Cal. 5691 - 971

Released in 1986, the Cal. 5691 with design code 971 was part of Seiko's domestic market collection. With its 19mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-fcbd555cc4b7]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1986

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