Seiko Cal. 5645 - 764

The Seiko 5645-764 represents an important milestone in Seiko's 1982 lineup. It features a Silver dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-078244d97d52]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1982

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