Seiko Cal. 7089 - 746

The 7089-746 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7089 caliber with 27j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-de7c3a5f61d5]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1968

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