Seiko Cal. 6661 - 384

This Hand-Winding model from 1977 features a 38mm Two-Tone case. It features a Silver dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-37da079580ac]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1977

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