Seiko Cal. 0770 - 399

The 0770-399 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0770 caliber with 29j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-6e8c8291ab5c]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1973

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