Seiko Cal. 4439 - 820

This Automatic model from 1965 features a 42mm Titanium case. Powered by the 4439 caliber with 36j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-faf91df75c20]

Also known as: Turtle, Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1965

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