Seiko Cal. 6654 - 633

The Seiko 6654-633 represents an important milestone in Seiko's 1971 lineup. Powered by the 6654 caliber with 17j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-977d7637ae87]

Also known as: Panda, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1971

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