Seiko Cal. 0740 - 522

This Hand-Winding model from 1993 features a 35mm Hardlex-Coated Steel case. Powered by the 0740 caliber with 27j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-2b1aab981001]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1993

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