Seiko Cal. 6674 - 531

This Spring Drive model from 1969 features a 35mm Two-Tone case. Powered by the 6674 caliber with 22j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-83ea8c205c3e]

Also known as: Turtle, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1969

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