Seiko Cal. 6676 - 634

The Seiko 6676-634 represents an important milestone in Seiko's 1972 lineup. Powered by the 6676 caliber with 35j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-701205e94ed5]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1972

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