Seiko Cal. 5645 - 669

This Spring Drive model from 1978 features a 34mm Titanium case. Powered by the 5645 caliber with 34j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-c5b94176f4d3]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1978

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