Seiko Cal. 5645 - 590

The Seiko 5645-590 represents an important milestone in Seiko's 1980 lineup. It features a Green dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-3ebb8f87fcc1]

Also known as: Bullhead, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1980

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