Seiko Cal. 6181 - 887

This Quartz model from 1967 features a 37mm Two-Tone case. Powered by the 6181 caliber with 17j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-f7a2b523684e]

Also known as: World Timer, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1967

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