Seiko Cal. 6661 - 157

The Seiko 6661-157 represents an important milestone in Seiko's 1972 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-fd8eaaf1be22]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1972

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