Seiko Cal. 7140 - 538

The Seiko 7140-538 represents an important milestone in Seiko's 1998 lineup. Powered by the 7140 caliber with 24j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-412f12e3dc4f]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1998

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