Seiko Cal. 5651 - 230

The 5651-230 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-34be14fb6035]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1966

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