Seiko Cal. 6393 - 660

This Automatic model from 1970 features a 46mm Two-Tone case. It features a Burgundy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-759d8ee19851]

Also known as: Helmet, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1970

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