Seiko Cal. 3891 - 371

The 3891-371 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3891 caliber with 28j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-c01f34bfc4fe]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1977

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