Seiko Cal. 6645 - 613

The Seiko 6645-613 represents an important milestone in Seiko's 1967 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-e33ee14791cb]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1967

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