Seiko Cal. 6641 - 307

This Spring Drive model from 1974 features a 39mm Two-Tone case. It features a Burgundy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-36f1fe8f3820]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1974

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