Seiko Cal. 3890 - 337

The Seiko 3890-337 represents an important milestone in Seiko's 1968 lineup. Powered by the 3890 caliber with 32j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-8cdeae3c9750]

Also known as: Samurai, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1968

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