Seiko Cal. 6616 - 187

The 6616-187 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6616 caliber with 36j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-3eb6d3a671dc]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1981

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