Seiko Cal. 6313 - 977

The Seiko 6313-977 represents an important milestone in Seiko's 1965 lineup. Powered by the 6313 caliber with 18j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-56652f2e229c]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1965

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