Seiko Cal. 6633 - 184

This Spring Drive model from 1979 features a 46mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-01e6085fa18d]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1979

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