Seiko Cal. 4417 - 636

Released in 1991, the Cal. 4417 with design code 636 was part of Seiko's domestic market collection. Powered by the 4417 caliber with 36j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-7f754eb3fd2b]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1991

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