Seiko Cal. 5651 - 399

The 5651-399 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5651 caliber with 27j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-1cd8e25a0188]

Also known as: Turtle, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1970

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