Seiko Cal. 7198 - 312

This Spring Drive model from 1978 features a 39mm Two-Tone case. Powered by the 7198 caliber with 31j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-0cce4db32d70]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1978

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