Seiko Cal. 6642 - 236

The 6642-236 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6642 caliber with 18j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-e9296dec353a]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1972

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