Seiko Cal. 4413 - 538

This Quartz model from 1967 features a 45mm Two-Tone case. Powered by the 4413 caliber with 36j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-a4d8852d9c60]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1967

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