Seiko Cal. 5644 - 994

The 5644-994 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-99dc5540794c]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1980

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