Seiko Cal. 6616 - 543

The 6616-543 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6616 caliber with 30j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-cfddf9c8dede]

Also known as: Sumo, Bullhead

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1994

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