Seiko Cal. 7121 - 200

The 7121-200 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-c66a03bd9ec5]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1975

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