Seiko Cal. 7121 - 409

The 7121-409 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-ee48315ae760]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1973

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