Seiko Cal. 4436 - 750

This Hand-Winding model from 1989 features a 35mm Hardlex-Coated Steel case. With its 21mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-033bced75d55]

Also known as: Tuna, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1989

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