Seiko Cal. 6121 - 685

The 6121-685 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6121 caliber with 23j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-bd904511c169]

Also known as: Turtle, Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1966

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