Seiko Cal. 6645 - 455

This Spring Drive model from 1980 features a 40mm Titanium case. It features a Cream dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-64217b025f84]

Also known as: Rally, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1980

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