Seiko Cal. 3865 - 457

The Seiko 3865-457 represents an important milestone in Seiko's 1981 lineup. Powered by the 3865 caliber with 21j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-5a33539f5452]

Also known as: Crown, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1981

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