Seiko Cal. 6278 - 645

The Seiko 6278-645 represents an important milestone in Seiko's 1969 lineup. Powered by the 6278 caliber with 31j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-05c3135f3878]

Also known as: Panda, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1969

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