Seiko Cal. 6677 - 204

The 6677-204 is a sought-after Solar piece from Seiko's golden era. Powered by the 6677 caliber with 21j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-3b26017670ef]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1965

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