Seiko Cal. 4436 - 505

This Spring Drive model from 1975 features a 46mm Hardlex-Coated Steel case. It features a White dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-67c4e681964d]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1975

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