Seiko Cal. 6657 - 669

This Automatic model from 1985 features a 34mm Titanium case. It features a White dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-99a6ff972d6d]

Also known as: Helmet, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1985

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