Seiko Cal. 6641 - 176

The Seiko 6641-176 represents an important milestone in Seiko's 1984 lineup. Powered by the 6641 caliber with 21j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-37873cdfca13]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1984

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