Seiko Cal. 0777 - 613

The 0777-613 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0777 caliber with 24j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-59a83393a605]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1975

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