Seiko Cal. 7181 - 840

The 7181-840 is a sought-after Automatic piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-67143df161e4]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1973

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