Seiko Cal. 3887 - 154

This Quartz model from 1968 features a 46mm Two-Tone case. Powered by the 3887 caliber with 35j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-e7c00270849d]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1968

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