Seiko Cal. 5637 - 489

This Spring Drive model from 1974 features a 42mm PVD Black case. Powered by the 5637 caliber with 27j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-eef0fb955de1]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1974

Related Models

• Seiko 6230-166
• Seiko 0727-750
• Seiko 5261-542
• Seiko 7168-735
• Seiko 5690-646
• Seiko 7138-295
• Seiko 6313-929
• Seiko 7049-260
• Seiko 7164-170
• Seiko 7120-865
• Seiko 6291-736
• Seiko 6288-143