Seiko Cal. 6157 - 642

This Kinetic model from 1971 features a 46mm Two-Tone case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-3afaa043cbb5]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1971

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