Seiko Cal. 4485 - 309

This Hand-Winding model from 1970 features a 44mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-80ac419b249a]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1970

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