Seiko Cal. 6638 - 101

This Spring Drive model from 1980 features a 39mm Two-Tone case. It features a Cream dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-0253baf41105]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1980

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