Seiko Cal. 6646 - 688

This Spring Drive model from 1969 features a 36mm Titanium case. It features a Silver dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-7825c1b8cea6]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1969

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