Seiko Cal. 5661 - 852

Released in 1977, the Cal. 5661 with design code 852 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-ffe266ec70cb]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1977

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