Seiko Cal. 4477 - 240

The Seiko 4477-240 represents an important milestone in Seiko's 1975 lineup. Powered by the 4477 caliber with 35j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-06404c567678]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1975

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