Seiko Cal. 7040 - 836

This Automatic model from 1974 features a 43mm PVD Black case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-be9b2cf634b9]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1974

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