Seiko Cal. 3881 - 688

Released in 1970, the Cal. 3881 with design code 688 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-3346615ab3bc]

Also known as: Emperor, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1970

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