Seiko Cal. 3881 - 445

The 3881-445 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3881 caliber with 26j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-f1fdb3645e47]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1974

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