Seiko Cal. 5644 - 228

The Seiko 5644-228 represents an important milestone in Seiko's 1980 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-62ebe9bc6149]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1980

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