Seiko Cal. 7043 - 640

The 7043-640 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7043 caliber with 21j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-4fb99aea4e82]

Also known as: Monster, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1980

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