Seiko Cal. 6649 - 787

This Automatic model from 1972 features a 46mm Titanium case. Powered by the 6649 caliber with 28j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-87c298a9c000]

Also known as: Helmet, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1972

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