Seiko Cal. 6121 - 618

The 6121-618 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6121 caliber with 23j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-582b8bf3b9cf]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1973

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