Seiko Cal. 6178 - 281

This Hand-Winding model from 1970 features a 46mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-86b46167b02f]

Also known as: Sea Horse, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1970

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