Seiko Cal. 0761 - 638

The 0761-638 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 0761 caliber with 23j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-63ab144fc56c]

Also known as: Sumo, Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1997

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