Seiko Cal. 5690 - 448

The 5690-448 is a sought-after Quartz piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-efbf50ca76be]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1977

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