Seiko Cal. 6634 - 591

The Seiko 6634-591 represents an important milestone in Seiko's 1965 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-bc68d44ebb23]

Also known as: Samurai, Panda

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1965

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