Seiko Cal. 7020 - 840

The 7020-840 is a sought-after Solar piece from Seiko's golden era. Powered by the 7020 caliber with 18j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-0cc0d3776490]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1988

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