Seiko Cal. 6634 - 432

This Spring Drive model from 1982 features a 42mm Two-Tone case. It features a Burgundy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-bcd7fd9143fa]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1982

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