Seiko Cal. 7121 - 312

This Spring Drive model from 1967 features a 39mm Stainless Steel case. Powered by the 7121 caliber with 23j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-7690c55c855a]

Also known as: Silverwave, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1967

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