Seiko Cal. 4497 - 931

The Seiko 4497-931 represents an important milestone in Seiko's 1980 lineup. Powered by the 4497 caliber with 27j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-5ad228269668]

Also known as: Tuna, Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1980

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