Seiko Cal. 6140 - 303

The Seiko 6140-303 represents an important milestone in Seiko's 1974 lineup. Powered by the 6140 caliber with 35j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-2e4fb5158f97]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1974

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