Seiko Cal. 7121 - 312

The 7121-312 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-5c9aa28aa285]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1984

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