Seiko Cal. 7188 - 857

The 7188-857 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7188 caliber with 27j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-543bb1e070bf]

Also known as: Arnie, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1978

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