Seiko Cal. 5644 - 987

The Seiko 5644-987 represents an important milestone in Seiko's 1994 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-37ed04813a25]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1994

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