Seiko Cal. 7040 - 551

The Seiko 7040-551 represents an important milestone in Seiko's 1976 lineup. With its 21mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-9b45efd3b5a7]

Also known as: Shogun, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1976

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