Seiko Cal. 3841 - 917

The 3841-917 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-6aed08ee8d93]

Also known as: Monster, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1986

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