Seiko Cal. 5638 - 671

The Seiko 5638-671 represents an important milestone in Seiko's 1995 lineup. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-9c0777d4fca4]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1995

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