Seiko Cal. 5690 - 247

The Seiko 5690-247 represents an important milestone in Seiko's 1972 lineup. With its 21mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-ec8927fe22ff]

Also known as: Sumo, Pogue

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1972

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