Seiko Cal. 5231 - 670

This Kinetic model from 1968 features a 40mm Gold-Plated case. Powered by the 5231 caliber with 24j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-48b1a234c2e0]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1968

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