Seiko Cal. 3891 - 989

The 3891-989 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3891 caliber with 32j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-5d278dfa5abc]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1985

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