Seiko Cal. 5658 - 827

The Seiko 5658-827 represents an important milestone in Seiko's 1966 lineup. It features a Silver dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-a850a69e6479]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1966

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