Seiko Cal. 3881 - 154

The 3881-154 is a sought-after Solar piece from Seiko's golden era. Powered by the 3881 caliber with 28j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-c873658ee42e]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1993

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