Seiko Cal. 5643 - 359

The Seiko 5643-359 represents an important milestone in Seiko's 1974 lineup. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-15dac1681978]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1974

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