Seiko Cal. 6616 - 378

The 6616-378 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6616 caliber with 25j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-99206692ddf8]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1973

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