Seiko Cal. 7180 - 726

The Seiko 7180-726 represents an important milestone in Seiko's 1977 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-fb9d04cbe711]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1977

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