Seiko Cal. 5278 - 630

This Spring Drive model from 1988 features a 46mm Two-Tone case. Powered by the 5278 caliber with 35j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-8ca862ac4bb4]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1988

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