Seiko Cal. 5637 - 883

The Seiko 5637-883 represents an important milestone in Seiko's 1996 lineup. Powered by the 5637 caliber with 19j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-60f289eb001c]

Also known as: Turtle, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1996

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