Seiko Cal. 5699 - 231

The Seiko 5699-231 represents an important milestone in Seiko's 1969 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-3194fb3b5350]

Also known as: Sumo, Panda

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1969

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