Seiko Cal. 4436 - 371

The 4436-371 is a sought-after Solar piece from Seiko's golden era. Powered by the 4436 caliber with 18j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-a8e62f91600d]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1982

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