Seiko Cal. 7121 - 852

The 7121-852 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-aa3aa1e77a6c]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1968

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