Seiko Cal. 3881 - 648

The 3881-648 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-0bd606b34ac3]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1986

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