Seiko Cal. 3836 - 321

The 3836-321 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3836 caliber with 20j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-47977ab2cbe0]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1985

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