Seiko Cal. 0780 - 399

The Seiko 0780-399 represents an important milestone in Seiko's 1977 lineup. Powered by the 0780 caliber with 31j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-63be20298e65]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1977

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