Seiko Cal. 3860 - 720

This Kinetic model from 1975 features a 44mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-4af1b63d0a54]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1975

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