Seiko Cal. 5287 - 437

The 5287-437 is a sought-after Solar piece from Seiko's golden era. Powered by the 5287 caliber with 36j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-573adfa170be]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1977

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