Seiko Cal. 6650 - 105

The 6650-105 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6650 caliber with 25j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-9cc1d6986f65]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1968

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