Seiko Cal. 6650 - 140

The Seiko 6650-140 represents an important milestone in Seiko's 1987 lineup. Powered by the 6650 caliber with 27j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-ce685655be7b]

Also known as: Turtle, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1987

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