Seiko Cal. 5270 - 740

This Hand-Winding model from 1986 features a 45mm Titanium case. Powered by the 5270 caliber with 34j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-7786ae138e54]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1986

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