Seiko Cal. 4436 - 377

This Hand-Winding model from 1984 features a 40mm Titanium case. With its 22mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-b2fdf883fb7b]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1984

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