Seiko Cal. 3828 - 437

The 3828-437 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3828 caliber with 36j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-37c33246f4fe]

Also known as: Arnie, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1980

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