Seiko Cal. 0770 - 661

The Seiko 0770-661 represents an important milestone in Seiko's 1975 lineup. Powered by the 0770 caliber with 23j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-51fa986aee86]

Also known as: Rally, Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1975

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