Seiko Cal. 7121 - 109

This Automatic model from 1967 features a 42mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-cd7e113bf562]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1967

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