Seiko Cal. 6121 - 485

The 6121-485 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6121 caliber with 35j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-beebe6d0f9a8]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1997

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