Seiko Cal. 6639 - 394

This Hand-Winding model from 1998 features a 42mm Two-Tone case. Powered by the 6639 caliber with 33j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-157a96749f84]

Also known as: Panda, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1998

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