Seiko Cal. 3828 - 641

The 3828-641 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3828 caliber with 29j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-8e2dbd3136d9]

Also known as: Shogun, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1975

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