Seiko Cal. 6142 - 550

This Spring Drive model from 1975 features a 39mm Two-Tone case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-11538b3e071e]

Also known as: Rally, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1975

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