Seiko Cal. 6642 - 515

The Seiko 6642-515 represents an important milestone in Seiko's 1982 lineup. Powered by the 6642 caliber with 25j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-5a5c04c79831]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1982

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