Seiko Cal. 6680 - 157

The Seiko 6680-157 represents an important milestone in Seiko's 1975 lineup. Powered by the 6680 caliber with 30j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-d7a4eb5ea324]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1975

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