Seiko Cal. 4439 - 825

This Hand-Winding model from 1975 features a 44mm Stainless Steel case. It features a White dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-075c881fa4c9]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

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