Seiko Cal. 5639 - 375

The Seiko 5639-375 represents an important milestone in Seiko's 1984 lineup. It features a Green dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-8a3f71bd4065]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1984

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