Seiko Cal. 3880 - 937

The Seiko 3880-937 represents an important milestone in Seiko's 1969 lineup. Powered by the 3880 caliber with 30j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-0d3611adb0b0]

Also known as: Samurai, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1969

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