Seiko Cal. 6638 - 638

The Seiko 6638-638 represents an important milestone in Seiko's 1994 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-0a9d4e820726]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1994

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