Seiko Cal. 7181 - 328

The 7181-328 is a sought-after Kinetic piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-8fa83bdb63d0]

Also known as: Monster, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1968

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