Seiko Cal. 5638 - 698

This Hand-Winding model from 1989 features a 37mm Two-Tone case. Powered by the 5638 caliber with 19j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-4e4e734d61be]

Also known as: Navigator, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1989

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