Seiko Cal. 5644 - 235

The Seiko 5644-235 represents an important milestone in Seiko's 1985 lineup. Powered by the 5644 caliber with 19j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-b01c63849b19]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1985

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