Seiko Cal. 6646 - 111

This Spring Drive model from 1979 features a 42mm Two-Tone case. It features a Burgundy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-3279020f1cee]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1979

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