Seiko Cal. 5661 - 792

The Seiko 5661-792 represents an important milestone in Seiko's 1980 lineup. It features a Green dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-36683406579c]

Also known as: Helmet, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1980

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