Seiko Cal. 3870 - 307

This Automatic model from 1969 features a 44mm Two-Tone case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-9cfe28fa14cb]

Also known as: Sea Horse, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1969

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