Seiko Cal. 6635 - 972

The 6635-972 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6635 caliber with 29j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-36f1b204f49d]

Also known as: Turtle, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1995

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