Seiko Cal. 5661 - 920

The Seiko 5661-920 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-74a2f28331aa]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1975

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