Seiko Cal. 7121 - 561

Released in 1966, the Cal. 7121 with design code 561 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-63e2ffceeb45]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1966

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