Seiko Cal. 3881 - 747

The Seiko 3881-747 represents an important milestone in Seiko's 1965 lineup. Powered by the 3881 caliber with 24j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-1c026be93277]

Also known as: Panda, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1965

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