Seiko Cal. 6645 - 759

This Spring Drive model from 1979 features a 45mm Titanium case. It features a Champagne dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-d82827ff1a66]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1979

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