Seiko Cal. 4438 - 535

The 4438-535 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-7768d20d19ed]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1994

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