Seiko Cal. 7166 - 371

The 7166-371 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7166 caliber with 25j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-4ebd0e341e75]

Also known as: Sea Horse, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1997

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