Seiko Cal. 6633 - 565

This Hand-Winding model from 1975 features a 40mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-c8873b41f64a]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1975

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