Seiko Cal. 3884 - 407

The Seiko 3884-407 represents an important milestone in Seiko's 1970 lineup. Powered by the 3884 caliber with 20j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-3780f2f3066c]

Also known as: Samurai, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1970

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