Seiko Cal. 4490 - 831

The Seiko 4490-831 represents an important milestone in Seiko's 1995 lineup. Powered by the 4490 caliber with 36j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-747f094d1840]

Also known as: Turtle, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1995

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