Seiko Cal. 4478 - 680

The 4478-680 is a sought-after Solar piece from Seiko's golden era. Powered by the 4478 caliber with 36j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-190bf8f4b0cb]

Also known as: Panda, Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1977

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