Seiko Cal. 6638 - 265

Released in 1969, the Cal. 6638 with design code 265 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-c5da625ea14d]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1969

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