Seiko Cal. 7140 - 492

This Automatic model from 1983 features a 36mm Hardlex-Coated Steel case. Powered by the 7140 caliber with 33j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-256a40484e30]

Also known as: Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1983

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