Seiko Cal. 5691 - 201

The 5691-201 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-4d809eb4057d]

Also known as: Monster, Pogue

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1999

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