Seiko Cal. 6691 - 348

The Seiko 6691-348 represents an important milestone in Seiko's 1997 lineup. Powered by the 6691 caliber with 26j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-9b96535e1313]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1997

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