Seiko Cal. 7188 - 658

The 7188-658 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7188 caliber with 26j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-f297124576e9]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1965

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