Seiko Cal. 7089 - 387

The 7089-387 is a sought-after Solar piece from Seiko's golden era. Powered by the 7089 caliber with 29j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-5739ff2409ce]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1968

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