Seiko Cal. 4436 - 491

This Automatic model from 1975 features a 40mm Hardlex-Coated Steel case. Powered by the 4436 caliber with 35j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-7a4d3291986e]

Also known as: Goldfeather, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1975

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