Seiko Cal. 6681 - 121

The Seiko 6681-121 represents an important milestone in Seiko's 1991 lineup. It features a Navy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-cb418d496bac]

Also known as: Monster, Shogun

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1991

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