Seiko Cal. 6634 - 944

This Hand-Winding model from 1995 features a 40mm Two-Tone case. Powered by the 6634 caliber with 20j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-9367a61290e5]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1995

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