Seiko Cal. 4512 - 191

The 4512-191 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-bca169026891]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1991

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