Seiko Cal. 4437 - 710

Released in 1972, the Cal. 4437 with design code 710 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-9bb9576ef66e]

Also known as: Turtle, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1972

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