Seiko Cal. 0770 - 689

The 0770-689 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0770 caliber with 35j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-b54665e9f57b]

Also known as: Rally, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1979

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