Seiko Cal. 6634 - 849

This Spring Drive model from 1996 features a 35mm Two-Tone case. Powered by the 6634 caliber with 19j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-96fd6e880ef4]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1996

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