Seiko Cal. 7121 - 930

Released in 1972, the Cal. 7121 with design code 930 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-7627a21db5bb]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1972

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