Seiko Cal. 3827 - 631

This Quartz model from 1972 features a 45mm Two-Tone case. Powered by the 3827 caliber with 21j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-3681f5d5302d]

Also known as: Panda, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1972

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