Seiko Cal. 4436 - 298

This Hand-Winding model from 1978 features a 44mm Gold-Plated case. Powered by the 4436 caliber with 25j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-ad21205a8ab0]

Also known as: Sportsmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1978

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