Seiko Cal. 5661 - 786

The Seiko 5661-786 represents an important milestone in Seiko's 1966 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-90cd9bb9041b]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1966

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