Seiko Cal. 5691 - 156

The 5691-156 is a sought-after Quartz piece from Seiko's golden era. With its 20mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-edbd530225bb]

Also known as: Helmet, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1984

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